Home / 86,560.25-119,186.69-73,784.77

Finding the Fourth Proportional to 86,560.25, 119,186.69 and 73,784.77

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Solution

The fourth proportional to 86,560.25, 119,186.69 and 73,784.77 is: 101,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,560.25 : 119,186.69 = 73,784.77 : x
  2. Step 2: Convert to fraction form
    86,560.25/119,186.69 = 73,784.77/x
  3. Step 3: Cross multiply
    86,560.25x = 119,186.69 × 73,784.77
  4. Step 4: Simplify right side
    86,560.25x = 8,794,162,927.29
  5. Step 5: Solve for x
    x = 8,794,162,927.29/86,560.25
  6. Step 6: Final answer
    x = 101,595.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.